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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringReinach AgPlus Plan Engineering GmbH
Plus Plan Engineering GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Plus Plan Engineering GmbH is an engineering firm for building services that provides planning and consultancy for sewerage/drainage, sanitary systems, heating/cooling and ventilation. Services include feasibility and execution planning, tendering, coordination and site supervision.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered8
Building Services Planning
Building services planning for drainage, sanitary systems, heating/cooling and ventilation; from preliminary project through tenders to detailed design.
Drainage and Sewer Planning
Sewers and drainage for new builds, existing buildings and infrastructure projects; development of drainage solutions in line with SN 592 000 and GEP standards.
Plumbing Design
Sanitary systems for drinking water, wastewater and hygienic facilities; design and planning taking into account standards, sustainability and energy efficiency.
Heating and Cooling Design
Heating and cooling concepts for buildings; selection of suitable energy sources and systems with a focus on efficient, cost-effective and sustainable solutions.
Ventilation Design
Ventilation systems for different building types; detailed design of systems for comfortable indoor air and energy efficiency.
Advisory
Analysis, tendering, design and optimization of drainage, heating/cooling, ventilation and sanitary systems; under technical and budget constraints.
Coordination
Coordination of the design of building services systems; clarification of interfaces between parties involved and cross-disciplinary coordination of the trades.
Construction Management
Technical construction management for building services; coordination of the construction process, optimization of execution and monitoring of implementation according to design requirements.
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4.1/5

Plus Plan Engineering GmbH

Trust & reputation

ranQ Trust Score of Plus Plan Engineering GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Plus Plan Engineering GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Plus Plan Engineering GmbH scores 80.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.79.212%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.82.07%
Plus Plan Engineering GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
Plus Plan Engineering GmbH scores 14.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Plus Plan Engineering GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Breitestrasse 2a
5734 Reinach Ag

At a glance

Legal form
Limited Liability Company
UID
CHE-450.542.512
Founded
2018 · 8 years
Last commercial register change
February 16, 2026
Employees
21 to 50
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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